Bone Marrow is an excellent source of healthy fats such as monounsaturated fatty acids, which is good for heart health (when eaten in moderation). This bone is good for large dogs. ones are one of the longest lasting natural chews out there. Your dog will have hours of entertainment trying to extract the marrow! Dogs find the marrow as well as the surrounding bits of meat and tendon irresistible, so it's a great recommendation for those picky dogs. This bone is sourced from a weight bearing bone, so it should not splinter like a rib bone. Weight bearing bones are extremely dense and not recommended for dogs with underlying dental problems. Please observe your dog while they are chewing this bone.